2015514550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{521}}^1\times {\mathrm{1579}}^1$

素因数の和:2126

約数の個数: 72

約数和(自身を含む): 4372052760

約数和(自身を除く): 2356538210

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 350, 490, 521, 1042, 1225, 1579, 2450, 2605, 3158, 3647, 5210, 7294, 7895, 11053, 13025, 15790, 18235, 22106, 25529, 26050, 36470, 39475, 51058, 55265, 77371, 78950, 91175, 110530, 127645, 154742, 182350, 255290, 276325, 386855, 552650, 638225, 773710, 822659, 1276450, 1645318, 1934275, 3868550, 4113295, 5758613, 8226590, 11517226, 20566475, 28793065, 40310291, 41132950, 57586130, 80620582, 143965325, 201551455, 287930650, 403102910, 1007757275, 2015514550]

約数ペア:

[(1, 2015514550), (2, 1007757275), (5, 403102910), (7, 287930650), (10, 201551455), (14, 143965325), (25, 80620582), (35, 57586130), (49, 41132950), (50, 40310291), (70, 28793065), (98, 20566475), (175, 11517226), (245, 8226590), (350, 5758613), (490, 4113295), (521, 3868550), (1042, 1934275), (1225, 1645318), (1579, 1276450), (2450, 822659), (2605, 773710), (3158, 638225), (3647, 552650), (5210, 386855), (7294, 276325), (7895, 255290), (11053, 182350), (13025, 154742), (15790, 127645), (18235, 110530), (22106, 91175), (25529, 78950), (26050, 77371), (36470, 55265), (39475, 51058)]